Biopsy - biliary tract

Definition

A biliary tract biopsy is the removal of tissue or substances from the duodenum, bile ducts, pancreas, or pancreatic duct for examination under a microscope.

Alternative Names

Cytology analysis - biliary tract; Biliary tract biopsy

How the Test is Performed

Your doctor can obtain a sample for a biliary tract biopsy in different ways.

A needle biopsy can be done if you have a well-defined tumor. The biopsy site is cleaned. A thin needle is inserted into the area to be tested, and a sample of cells and fluid are removed. The needle is then removed. Pressure is applied to the biopsy site to stop any bleeding. The site will be covered with a bandage. See also: Aspiration

If you have a narrowing or blockage of the bile or pancreatic ducts, a sample can be taken during procedures such as: